Ubuntu Security Notice 6200-2 - USN-6200-1 fixed vulnerabilities in ImageMagick. Unfortunately these fixes were incomplete for Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. This update fixes the problem.
ded6c4c8b3d3bb0eeac147b90c00e05a999088a5edf3575723974f537a908acbDebian Linux Security Advisory 5628-1 - handling problems and cases of missing or incomplete input sanitising may result in denial of service, memory disclosure or potentially the execution of arbitrary code if malformed image files are processed.
f3cb8b62b33597d095e3b6b6dd3d138b869540fe77fdd212e1777a113e936759Ubuntu Security Notice 6200-1 - It was discovered that ImageMagick incorrectly handled the "-authenticate" option for password-protected PDF files. An attacker could possibly use this issue to inject additional shell commands and perform arbitrary code execution. This issue only affected Ubuntu 20.04 LTS. It was discovered that ImageMagick incorrectly handled certain values when processing PDF files. If a user or automated system using ImageMagick were tricked into opening a specially crafted PDF file, an attacker could exploit this to cause a denial of service. This issue only affected Ubuntu 20.04 LTS.
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